Table 4.

Barriers to the provision of information on SPC screening (n=486)

Response	No. (%)a)
Oncologists’ own lack of knowledge about SPC screening (e.g., not knowing the screening methods, follow-up of abnormal findings of the screening test)	176 (36.2)
Lack of guideline and evidence on the screening for SPCs	232 (47.7)
Patients' lack of knowledge about SPCs (e.g., confusion with metastasis or recurrence, etc.)	219 (45.1)
Patients' lack of knowledge about SPC screening (e.g., not knowing the needs for screening other than routine surveillance)	201 (41.4)
Short consultation time	254 (52.3)
Lack of system for SPC screening (e.g., lack of connection to comprehensive screening program or survivorship clinic within the center)	183 (37.7)
Lack of connection to the national cancer screening program	164 (33.7)

SPC, second primary cancer.

^a)Each choice is not mutually exclusive and one person can choose more than one item.